Gangut's dva (Cyrillic: два, meaning "two") form.
She wears her jacket on her shoulders, revealing her short-sleeved red shirt and an all black peaked cap.
Her name reverts to her original Imperial Russian name of Gangut based on some sources (for their time like Jane's Fighting Ships, that state she reverted name in 1943/44 despite Russian sources stating otherwise).
This tag implicates gangut_(kancolle) (learn more).